SKU: 76002558210

Ashly KLR-4000 Stereo Power Amplifier 850Wchannel At 8 Ohms Stereo

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Description

Ashly KLR-4000 Stereo Power Amplifier 850Wchannel At 8 Ohms StereoThe KLR 4000 from Ashly is a professional quality power amplifier that provides high quality audio in a lightweight and efficient design. The amplifier has a 2RU rackmount design for installation in any equipment rack. It can operate in stereo, bridged, or parallel modes for terrific versatility. The 2 step Class H circuitry provides excellent efficiency, while the switch mode power supply delivers deep bass, punchy midrange, and clear treble. The

The KLR-4000 from Ashly is a professional-quality power amplifier that provides high-quality audio in a lightweight and efficient design. The amplifier has a 2RU rackmount design for installation in any equipment rack. It can operate in stereo, bridged, or parallel modes for terrific versatility. The 2-step Class-H circuitry provides excellent efficiency, while the switch mode power supply delivers deep bass, punchy midrange, and clear treble. The amplifier has Euroblock and combo XLR/TRS inputs, as well as Neutrik Speakon outputs, allowing you to connect to virtually any professional sound system.

The amplifier features front panel level controls for each channel, as well as indicator LEDs for output level, clip/protect, and power on/off. Each channel has a 3-position gain switch, as well as a 3-position high pass filter switch. A switchable limiter is also built in to prevent distortion. A forced air cooling system with front-to-rear air flow and removable dust filters prevents the amplifier components from overheating. Integrated protection circuitry prevents damage from over-current, DC output, and overheating.

Features

  • Compact 2RU rackmount design for installation in any standard equipment rack
  • Switchable stereo, bridged, and parallel modes for terrific versatility
  • 2-step Class-H circuitry provides excellent efficiency
  • Switch mode power supply delivers deep bass, punchy midrange, and clear treble with excellent power efficiency and low weight
  • Euroblock and combo XLR/TRS inputs, along with Neutrik Speakon outputs allow you to connect to virtually any professional sound system
  • Front panel level controls for each channel
  • Indicator LEDs for output level, clip/protect, and power on/off
  • Each channel has a 3-position gain switch
  • 3-position high pass filter switch lets you reduce low-frequency rumble and hum
  • Switchable limiter prevents distortion
  • Forced air cooling system with front-to-rear air flow and removable dust filters prevents the amplifier components from overheating and keeps them clean
  • Integrated protection circuitry prevents damage from over-current, DC output, and overheating
  • Permanently-attached power cord

Specifications

Form Factor/Type
Rackmount
Number of Amplifier Channels
2
Load Impedance/Voltage Support
4 / 2 / 8 Ohms
Power Rating per Channel
2x 2000 W Peak at 2 Ohms
2x 1400 W Peak at 4 Ohms
2x 850 W Peak at 8 Ohms
Channel Bridging & Power Sharing
1x 4000 W Peak Bridged at 4 Ohms
Amplifier Class
2-Tier Class-H

Performance
Protections
DC Fault, DC Offset, Overcurrent, Thermal
Frequency Response
20 Hz to 20 kHz +0.3 dB (1 W at 8 Ohms)
5 Hz to 70 kHz -3 dB
Damping Factor
> 380 at 8 Ohms
THD/Distortion
≤ 0.05% THD (20 Hz to 20 kHz, 10 dB Below Rated Output at 4 Ohms)

Signal Processing
DSP
No
Audio Delay
No
EQ & Filters
High-Pass Filter
Dynamics
Limiter

Connectivity
Analog Audio I/O
2x Block 3-Pin Balanced Line Input
2x Combo XLR-1/4" TRS Balanced Line Input
2x speakON NL4 Speaker Output
Digital Audio I/O
No
Network I/O
No
USB I/O
No
Phantom Power
No
Wireless
No

Power
Input Power
120 VAC, 60 Hz
AC Power Connector
1x Hardwired Cord 15 A / NEMA 5-15
Current Consumption
14 A (1/8 Power)
19.8 A (1/3 Power)

Physical
Display
Single-LED Indicators Only
Rackmount Size
2 U
Cooling
2x Fan (Variable Speed)
Operating Conditions
22 to 72°F / -10 to 40°C up to 90% Humidity
Dimensions
19 x 16 x 3.5" / 48.3 x 40.6 x 8.9 cm
Weight
26.7 lb / 12.1 kg

Packaging Info
Package Weight
33.7 lb
Box Dimensions (LxWxH)
19 x 16 x 4"
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 76002558210

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4.7 ★★★★★
Based on 11 reviews
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Product Reviews
R
Verified Purchase
Ricardo
Battle Creek, US
★★★★★ 3
Backrest does not adjust in and out
Color: Black
Very comfortable but I wish the back rest was adjustable. It’s too far back to offer any support.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
B
Verified Purchase
Barshonk
Charlottesville, US
★★★★★ 5
Very good chair, comfortable and high quality.
Color: Black
I had my doubts, yet after a couple months I really love this chair. Its a very good quality. Comfortable and sturdy. It allows for me to lean back too, which is a big plus! It looks really great and I am glad I purchased this chair. If you are looking, then just buy it because it is as good as it looks in the pictures.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
O
Verified Purchase
Oasis Of Tranquility
West Palm Beach, US
★★★★★ 5
Very nice work chair
Color: Khaki, Color: Khaki
I am happy, it’s easy to assemble, comfortable, height adjustable, good quality and nice looking. I would recommend it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026
K
Verified Purchase
Kindle Customer
Boise, US
★★★★★ 5
Perfect for my studio
Color: Black
Naught this chair for my bedroom home recording studio. Honestly, I bought it mostly for the look. I just thought it would look great with what I was trying to v to do in the studio. I was very pleasantly surprised to find that’s its much more comfortable than I had assumed. It was easy to assemble. The provided assembly instructions were clear and easy to follow. It took me less than 20 minutes to build it. The build quality is solid. I’m a tall well build dude that weights more than 210 lbs and it takes my weight very well. Great little chair. I recommend it.
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Reviewed in the United States on June 3, 2026
O
Verified Purchase
oaday
Alexandria, US
★★★★★ 5
Very happy customer!
Color: Cream White, Color: Cream White
This chair is what you are looking for!!! No serious friends, this chair is everything and so incredibly comfortable! I’m so happy with this purchase. The wood accents I believe are actual wood and the PU leather is gorgeous and seriously looks like real leather. The size is perfect for my frame too. I’m a size medium bottom girly and the curve and level of cushion on the seat is so well executed. The rollability of the rollers are fantastic too, not super loud on our wooden floors and a really smooth glide. Im on the search for a rug to go under my desk but man the patience I used to wait to find this chair truly was worth it. A total lesson on patience and biting when you find the right thing. I think it’s pretty sturdy too. But I’ll report back in a few months. At the moment nothing leads me to be suspicious of a less than long life for this chair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026

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